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Diffstat (limited to 'src/qmlmodels/qqmldelegatemodel_p.h')
| -rw-r--r-- | src/qmlmodels/qqmldelegatemodel_p.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/qmlmodels/qqmldelegatemodel_p.h b/src/qmlmodels/qqmldelegatemodel_p.h new file mode 100644 index 0000000000..21eaef02e0 --- /dev/null +++ b/src/qmlmodels/qqmldelegatemodel_p.h @@ -0,0 +1,246 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQMLDATAMODEL_P_H +#define QQMLDATAMODEL_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <private/qtqmlmodelsglobal_p.h> +#include <private/qqmllistcompositor_p.h> +#include <private/qqmlobjectmodel_p.h> +#include <private/qqmlincubator_p.h> + +#include <QtCore/qabstractitemmodel.h> +#include <QtCore/qstringlist.h> + +QT_REQUIRE_CONFIG(qml_delegate_model); + +QT_BEGIN_NAMESPACE + +class QQmlChangeSet; +class QQuickPackage; +class QQmlV4Function; +class QQmlDelegateModelGroup; +class QQmlDelegateModelAttached; +class QQmlDelegateModelPrivate; + + +class Q_QMLMODELS_PRIVATE_EXPORT QQmlDelegateModel : public QQmlInstanceModel, public QQmlParserStatus +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QQmlDelegateModel) + + Q_PROPERTY(QVariant model READ model WRITE setModel) + Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate) + Q_PROPERTY(QString filterOnGroup READ filterGroup WRITE setFilterGroup NOTIFY filterGroupChanged RESET resetFilterGroup) + Q_PROPERTY(QQmlDelegateModelGroup *items READ items CONSTANT) //TODO : worth renaming? + Q_PROPERTY(QQmlDelegateModelGroup *persistedItems READ persistedItems CONSTANT) + Q_PROPERTY(QQmlListProperty<QQmlDelegateModelGroup> groups READ groups CONSTANT) + Q_PROPERTY(QObject *parts READ parts CONSTANT) + Q_PROPERTY(QVariant rootIndex READ rootIndex WRITE setRootIndex NOTIFY rootIndexChanged) + Q_CLASSINFO("DefaultProperty", "delegate") + Q_INTERFACES(QQmlParserStatus) +public: + QQmlDelegateModel(); + QQmlDelegateModel(QQmlContext *, QObject *parent=nullptr); + ~QQmlDelegateModel(); + + void classBegin() override; + void componentComplete() override; + + QVariant model() const; + void setModel(const QVariant &); + + QQmlComponent *delegate() const; + void setDelegate(QQmlComponent *); + + QVariant rootIndex() const; + void setRootIndex(const QVariant &root); + + Q_INVOKABLE QVariant modelIndex(int idx) const; + Q_INVOKABLE QVariant parentModelIndex() const; + + int count() const override; + bool isValid() const override { return delegate() != nullptr; } + QObject *object(int index, QQmlIncubator::IncubationMode incubationMode = QQmlIncubator::AsynchronousIfNested) override; + ReleaseFlags release(QObject *object) override; + void cancel(int index) override; + QVariant variantValue(int index, const QString &role) override; + void setWatchedRoles(const QList<QByteArray> &roles) override; + QQmlIncubator::Status incubationStatus(int index) override; + + int indexOf(QObject *object, QObject *objectContext) const override; + + QString filterGroup() const; + void setFilterGroup(const QString &group); + void resetFilterGroup(); + + QQmlDelegateModelGroup *items(); + QQmlDelegateModelGroup *persistedItems(); + QQmlListProperty<QQmlDelegateModelGroup> groups(); + QObject *parts(); + + const QAbstractItemModel *abstractItemModel() const override; + + bool event(QEvent *) override; + + static QQmlDelegateModelAttached *qmlAttachedProperties(QObject *obj); + +Q_SIGNALS: + void filterGroupChanged(); + void defaultGroupsChanged(); + void rootIndexChanged(); + +private Q_SLOTS: + void _q_itemsChanged(int index, int count, const QVector<int> &roles); + void _q_itemsInserted(int index, int count); + void _q_itemsRemoved(int index, int count); + void _q_itemsMoved(int from, int to, int count); + void _q_modelReset(); + void _q_rowsInserted(const QModelIndex &,int,int); + void _q_rowsAboutToBeRemoved(const QModelIndex &parent, int begin, int end); + void _q_rowsRemoved(const QModelIndex &,int,int); + void _q_rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int); + void _q_dataChanged(const QModelIndex&,const QModelIndex&,const QVector<int> &); + void _q_layoutChanged(const QList<QPersistentModelIndex>&, QAbstractItemModel::LayoutChangeHint); + +private: + bool isDescendantOf(const QPersistentModelIndex &desc, const QList<QPersistentModelIndex> &parents) const; + + Q_DISABLE_COPY(QQmlDelegateModel) +}; + +class QQmlDelegateModelGroupPrivate; +class Q_QMLMODELS_PRIVATE_EXPORT QQmlDelegateModelGroup : public QObject +{ + Q_OBJECT + Q_PROPERTY(int count READ count NOTIFY countChanged) + Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged) + Q_PROPERTY(bool includeByDefault READ defaultInclude WRITE setDefaultInclude NOTIFY defaultIncludeChanged) +public: + QQmlDelegateModelGroup(QObject *parent = nullptr); + QQmlDelegateModelGroup(const QString &name, QQmlDelegateModel *model, int compositorType, QObject *parent = nullptr); + ~QQmlDelegateModelGroup(); + + QString name() const; + void setName(const QString &name); + + int count() const; + + bool defaultInclude() const; + void setDefaultInclude(bool include); + + Q_INVOKABLE QJSValue get(int index); + +public Q_SLOTS: + void insert(QQmlV4Function *); + void create(QQmlV4Function *); + void resolve(QQmlV4Function *); + void remove(QQmlV4Function *); + void addGroups(QQmlV4Function *); + void removeGroups(QQmlV4Function *); + void setGroups(QQmlV4Function *); + void move(QQmlV4Function *); + +Q_SIGNALS: + void countChanged(); + void nameChanged(); + void defaultIncludeChanged(); + void changed(const QJSValue &removed, const QJSValue &inserted); +private: + Q_DECLARE_PRIVATE(QQmlDelegateModelGroup) +}; + +class QQmlDelegateModelItem; +class QQmlDelegateModelAttachedMetaObject; +class QQmlDelegateModelAttached : public QObject +{ + Q_OBJECT + Q_PROPERTY(QQmlDelegateModel *model READ model CONSTANT) + Q_PROPERTY(QStringList groups READ groups WRITE setGroups NOTIFY groupsChanged) + Q_PROPERTY(bool isUnresolved READ isUnresolved NOTIFY unresolvedChanged) +public: + QQmlDelegateModelAttached(QObject *parent); + QQmlDelegateModelAttached(QQmlDelegateModelItem *cacheItem, QObject *parent); + ~QQmlDelegateModelAttached() {} + + void resetCurrentIndex(); + void setCacheItem(QQmlDelegateModelItem *item); + + QQmlDelegateModel *model() const; + + QStringList groups() const; + void setGroups(const QStringList &groups); + + bool isUnresolved() const; + + void emitChanges(); + + void emitUnresolvedChanged() { Q_EMIT unresolvedChanged(); } + +Q_SIGNALS: + void groupsChanged(); + void unresolvedChanged(); + +public: + QQmlDelegateModelItem *m_cacheItem; + int m_previousGroups; + int m_currentIndex[QQmlListCompositor::MaximumGroupCount]; + int m_previousIndex[QQmlListCompositor::MaximumGroupCount]; + + friend class QQmlDelegateModelAttachedMetaObject; +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQmlDelegateModel) +QML_DECLARE_TYPEINFO(QQmlDelegateModel, QML_HAS_ATTACHED_PROPERTIES) +QML_DECLARE_TYPE(QQmlDelegateModelGroup) + +#endif // QQMLDATAMODEL_P_H |